Frederica Lofquist, M.D.
NPI 1750458873 · Obstetrics & Gynecology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederica Lofquist, M.D. is a Obstetrics & Gynecology Physician provider in San Francisco, CA (NPI 1750458873).
Provider details
- NPI number
- 1750458873
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G65301 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 834 Sheridan StPort Townsend, WA 98368-2443Phone: (360) 344-0403Fax: (360) 412-6478
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2025-12-09
- Certified
- 2025-12-09
Frequently asked questions
- What is Frederica Lofquist's NPI number?
- Frederica Lofquist's National Provider Identifier (NPI) is 1750458873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederica Lofquist's specialty?
- Frederica Lofquist is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Frederica Lofquist located?
- Frederica Lofquist's practice location on file with NPPES is 3838 California St, San Francisco, CA 94118-1522.
- What is Frederica Lofquist's phone number?
- The practice phone number listed in the NPPES registry for Frederica Lofquist is (415) 379-9600.
- Does Frederica Lofquist accept Medicare?
- Frederica Lofquist is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederica Lofquist's NPI active?
- Yes — Frederica Lofquist's NPI (1750458873) is active in the NPPES registry as of the last update on 2025-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.